Question

Express each of the following as a rational number?
Q1. 3/7+(-2/9)+7/9​

Answer 1

Answer:

62/63

Step-by-step explanation:

3/7-2/9+7/9

3/7+(-2+7)/9

3/7+5/9

[(3×9)+(5×7)]/(7×9)

(27+35)/63

62/63